diff --git a/demos/11/requirements.txt b/demos/11/requirements.txt
index 5cf350f..41f0bfa 100644
--- a/demos/11/requirements.txt
+++ b/demos/11/requirements.txt
@@ -1,4 +1,4 @@
-Flask==2.0.1
+Flask==3.1.2
 requests==2.26.0
 python-dotenv==0.19.0
 Flask-WTF==0.15.1